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authorKarl Berry <karl@freefriends.org>2006-01-17 21:16:42 +0000
committerKarl Berry <karl@freefriends.org>2006-01-17 21:16:42 +0000
commita3d3111bfe26b8e5f5bc6049dfb2a4ca2edc7881 (patch)
treef4a8a34f904c1bb86adcc3ae0e14434badc6dbe4 /Build/source/utils/texinfo/m4/longlong.m4
parent6c0eafbb1395d426a72a74538e0b2a95e8344ca6 (diff)
utils 1
git-svn-id: svn://tug.org/texlive/trunk@1484 c570f23f-e606-0410-a88d-b1316a301751
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diff --git a/Build/source/utils/texinfo/m4/longlong.m4 b/Build/source/utils/texinfo/m4/longlong.m4
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+# longlong.m4 serial 5
+dnl Copyright (C) 1999-2004 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Paul Eggert.
+
+# Define HAVE_LONG_LONG if 'long long' works.
+
+AC_DEFUN([gl_AC_TYPE_LONG_LONG],
+[
+ AC_CACHE_CHECK([for long long], ac_cv_type_long_long,
+ [AC_TRY_LINK([long long ll = 1LL; int i = 63;],
+ [long long llmax = (long long) -1;
+ return ll << i | ll >> i | llmax / ll | llmax % ll;],
+ ac_cv_type_long_long=yes,
+ ac_cv_type_long_long=no)])
+ if test $ac_cv_type_long_long = yes; then
+ AC_DEFINE(HAVE_LONG_LONG, 1,
+ [Define if you have the 'long long' type.])
+ fi
+])